Answer :

FORMULA:-


(i) logxa = alogx


(ii) The quotient rule



(iii)loga+logb = log(a.b)


(iv)logee = 1


(v)


GIVEN:-



Taking log of both sides


log xy = log e(x - y)


Using formula (i)


y.logx = (x-y)loge


Using formula (iv)


y.logx = x-y


ylogx+y = x



Using formula (ii)




Using formula (v)






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